CN101790176A - Interference solution of indoor covering equipment based on cognitive technique - Google Patents
Interference solution of indoor covering equipment based on cognitive technique Download PDFInfo
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- CN101790176A CN101790176A CN201010101166A CN201010101166A CN101790176A CN 101790176 A CN101790176 A CN 101790176A CN 201010101166 A CN201010101166 A CN 201010101166A CN 201010101166 A CN201010101166 A CN 201010101166A CN 101790176 A CN101790176 A CN 101790176A
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Abstract
The invention discloses an interference solution of indoor covering equipment based on a cognitive technique, comprising the following steps of: setting a service user list of the indoor covering equipment; judging whether a user request exists or not; checking whether a user is in the service user list of the equipment, if so, accessing the user in the list, and otherwise, listing the user in a list temporarily having no response; periodically detecting the current available resource by using the equipment through the cognitive technique; providing services for the user in the service user list when the available resource achieves the preset standard, and simultaneously refusing the user in the list temporarily having no response; and conversely, accessing the user in the list temporarily having no response and updating the available resource by utilizing the cognitive technique to provide highest-level services for the user in the service user list and the user in the joined-up list temporarily having no response. The invention ensures the high efficiency and reliability of the system and solves the interference problem of the indoor covering equipment through the cognitive technique and the management on the user in the service list.
Description
Technical field
The present invention relates to a kind of interference solution of indoor coverage equipment, effectively solve the interference problem of indoor coverage equipment, belong to wireless communication technology field based on cognitive techniques.
Background technology
Indoor coverage equipment is in recent years according to radio communication development and mobile broadband trend, the micro radio receive-transmit system that designs for the radio communication quality under the assurance indoor environment.Indoor coverage equipment uses cable broadband to connect usually, and for example broadbands such as the existing ADSL of user, optical fiber connect, and the core net by IP network and mobile communication system communicates, and provides wireless service indoor.The same standard in other mobile base station of indoor coverage equipment and operator, same frequency range, so portable terminal such as mobile phone can be general, has the characteristic of configuration easy for installation, automatic, plug and play simultaneously again, praised highly by industry, the development prospect optimism.
On the other hand, the interference problem of indoor coverage equipment seems very severe.In traditional macrocellular network is disposed, in order to ensure not disturbing between each honeycomb, need carry out a large amount of on-the-spot test to each base station, be provided with on the spot and optimize.But because indoor coverage equipment itself has plug and play, lack the network planning and optimization in early stage, very easily form complicated interference system.And because the residing environment of indoor coverage equipment is very complicated, interference may be from contiguous macrocellular or other indoor coverage equipments, and setting is the equipment of other types; The work of indoor coverage equipment simultaneously also very easily causes interference to other equipment and system.Therefore, the interference problem of indoor coverage equipment can not be ignored, and this also is the bottleneck place of the current development of indoor coverage equipment.
At present, the method that solves the indoor coverage equipment interference problem mainly is the signaling scheduling by the upper strata, handles interference problem by carrying out signaling scheduling and information interaction.But this class scheme faces many insoluble difficulties: 1, the control centre, upper strata is difficult to obtain the neighbouring relations of accurate location information and a plurality of indoor coverage equipments of each indoor coverage equipment; When 2, having a large amount of indoor coverage equipments, the data processing amount that centralized dispatching faces is very huge, and the information of each indoor coverage equipment is handled the back in same scheduling, and the complexity of centralized dispatching is high, and cost is difficult to calculate; 3, owing to lack the mutual alignment relation of accurately real-time information and a plurality of indoor coverage equipments, the scheduling of resource allocative decision of concentrating can only adopt very conservative strategy, cause wireless resource utility efficiency low, and might cause unexpected interference problem.
By adding cognitive function for indoor coverage equipment, macrocellular information around can obtaining in real time and other adjacent indoor coverage equipment information, adaptive adjustment running parameter, the maximized available radio resources of utilizing guarantees to disturb within claimed range simultaneously.Since cognitive techniques can be real-time the environmental information of obtaining current location, comprise utilization of resources state, disturbed condition etc., by can formulating rational Resource Allocation Formula to the analysis of environmental information, to reach the purpose that solves interference problem; Compare by the mode of upper strata scheduling and can avoid because the problems that do not have real time environment information to cause.But the interference environment when coexisting owing to a plurality of indoor coverage equipments is extremely complicated, simply utilizes cognitive techniques can not solve various interference problems preferably.
Based on above problem, the present invention proposes a kind of indoor coverage equipment interference avoidance/coordination method that utilizes cognitive techniques, has effectively solved the interference problem of indoor coverage equipment under the complex environment.
Summary of the invention
In view of upper strata centralized dispatching under above-mentioned scene can't effectively solve the interference problem of indoor coverage equipment, the present invention proposes a kind of interference solution of indoor covering equipment based on cognitive techniques, may further comprise the steps:
(1) the service-user list of setting indoor coverage equipment:
Before indoor coverage equipment provides service for the user, need to set the list of its service-user, after the device power work, for the user in the service-user list provides service.As required, the service-user list can be set voluntarily is: some particular numbers or arbitrary numbers.Wherein, some particular numbers can refer to the number of some appointments, also can refer to some specific number segments.The service-user list is set at some particular numbers, be applicable to indoor coverage equipment place in the family or minimized office indoor, owing to user's basic fixed while user data rate demand height, the service-user list is only set some particular numbers and is convenient to provide high-quality service for the specific user under this situation; The service-user list is set at arbitrary numbers, be applicable to that indoor coverage equipment places in large-scale office, hotel or the public place, because the user is flowed greatly, number is many, the not strict qualification number of service-user list is suitable in time providing service for more users under this situation.At further part of the present invention, clear and definite in order to simplify, will refer to the service-user list of equipment with list 1.
(2) device power work, detecting on Random Access Channel has the no user request, and whether Equipment Inspection takes corresponding different subsequent step according to the user after have the user to insert request in list 1:
Equipment is that the user asks to insert this equipment for the user provides the prerequisite of service, have only as the user and send the request of inserting to equipment, and equipment is when information that user feedback allows to insert, and equipment could provide normal service to the user.If the user of access device does not use identical resource with equipment, will produce interference each other, in case behind the customer access equipment, will carry out resource allocation for it, obviously can not produce interference this moment by equipment is unified.Between the contiguous indoor coverage equipment or indoor coverage equipment be close between the macrocellular, the division of Random Access Channel can guarantee not use same Resource Block; For each indoor coverage equipment, Random Access Channel is changeless simultaneously, and it is reliable and effective therefore on Random Access Channel user's request being detected.
When the user in list 1, respond user request at once, insert the user, carry out step (3); When the user not in list 1, temporarily do not respond user request, and it is listed in wouldn't list response.At further part of the present invention, clear and definite in order to simplify, will refer to list 2 wouldn't list response.
(3) utilize cognitive techniques periodically to detect available resources, analyze current available resource and whether reach preset standard:
Equipment periodically detects the available resources that obtain under the current environment by cognitive techniques.Available resources are compared with the customer service request resource, in the time of can satisfying the customer service request as if available resources, when promptly available resource reaches preset standard, carry out step (4); If when available resources can't satisfy the customer service request, when promptly available resource does not reach preset standard, carry out step (5).Adopt cognitive techniques, equipment will not rely on the upper strata scheduling, and the environmental information of perception current location voluntarily comprises utilization of resources situation and interfere information.Cognition need receive wireless signal by antenna, and in the present invention, cognition can be adopted the same common antenna with data communication, also can adopt other stand-alone antenna.
(4) for user in the list 1 provides service, refuse user in the list 2 simultaneously:
The available resources that Equipment Inspection is arrived are enough distributed respective resources for service request from user in the list 1, and this moment, list 1 interior service request from user all can be met, and equipment can guarantee operate as normal and the favorable user experience of user in the list 1.Under the described situation of this step, equipment can satisfy the used service request of user in the list 1.Equipment is when the user provides service in for list 1, and whether check has the user in the list 2: refuse it when the user is arranged and insert request, do not deal with during no user.User in the equipment refusal list 2, this user still provides service by the macrocellular or the indoor coverage equipment that insert before it, at this moment, equipment can periodically detect the resource of this CU by cognitive techniques, these resources are the unavailable resource of equipment, therefore equipment can or not produce interference for its user distributes respective resources.
(5) insert user in the list 2, the equipment utilization cognitive techniques further detects current available resources, provides service for user in the list 2 of user and access in the list 1 on this basis:
Equipment Inspection to available resources can't satisfy the specific QoS demand of user in the list 1, this moment, equipment checked whether the user is arranged in the list 2.If insert the user when in the list 2 user being arranged, utilize cognitive techniques to detect and the renewal available resources, provide high-caliber as far as possible service for user in the list 2 of user and access in the list 1 on the available resources after renewal.If when not having the user in the list 2, equipment provides high-caliber as far as possible service for user in the list 1.The described high-caliber as far as possible service of this step refers to that equipment is its Resources allocation according to the different QoS requirements of user in the service list, As soon as possible Promising Policy user's QoS demand.
The interference solution of above-mentioned indoor coverage equipment does not have particular determination to wireless communication system, is applicable to TDD system and FDD system.
The interference solution of indoor covering equipment that the present invention proposes has utilized cognitive techniques, obtains the current location environmental information, and in conjunction with the user is inserted processing of request, the corresponding adequate resources allocative decision of taking efficiently solves interference problem.The present invention compares existing interference solution of indoor covering equipment and mainly contains following advantage:
(1) equipment can obtain current available resource by cognitive techniques, and the rapid adjustment Resource Allocation Formula, guarantees the high efficiency and the high reliability of system;
(2) original mobile communications network is not changed, be need not by the upper strata dispatch network indoor coverage equipment to be carried out unified resource scheduling management, the additional system expense is little;
(3) equipment asks to select whether to insert the user as the case may be to the outer user of service-user list, can effectively avoid the outer user of service-user list is produced interference, has improved the multiplexing of frequency resource simultaneously, and has increased total system capacity;
(4) the present invention program is applicable to different mobile communication network, and TDD system and FDD system all can adopt.
Description of drawings
Fig. 1 is an interference solution schematic diagram of the present invention.
Fig. 2 is the particular flow sheet of interference solution of the present invention.
Embodiment
Below by drawings and Examples, the present invention will be described in detail.
Present embodiment illustrates the present invention program's idiographic flow in conjunction with Fig. 1 and Fig. 2, and this method comprises:
Step 201: judged whether to insert request;
Behind the indoor coverage equipment power-up initializing, whether have user insert request, carry out step 202 when having the user to insert request if detecting on Random Access Channel, and repeating step 201 when having the user to ask;
Step 202: whether the user is in list 1;
Judge to send and insert requesting users whether in list 1, list 1 pre-sets when device initialize, can be made as some particular numbers or arbitrary numbers.If send requesting users in list 1, carry out step 203; If send requesting users not in list 1, carry out step 204;
Step 203: insert the user;
To insert requesting users be in the list 1 during the user when sending, and agrees user's access request at once, and preparing simultaneously provides service according to user's further service request for it;
Step 204: temporarily do not respond user request, and the user is shortlisted in 2;
To insert requesting users be not list 1 in during the user when sending, and equipment inserts it and asks temporarily will not respond, and this user is shortlisted in 2;
Whether step 205: it is enough to utilize cognitive techniques to detect available resources;
The equipment utilization cognitive techniques periodically detects available resources and whether satisfies service request from user in the current list 1, and when available resources can satisfy its service request, promptly available resource reached preset standard, carry out step 206; When available resources can not satisfy its service request, promptly available resource did not reach preset standard, carry out step 207;
Step 206: for user in the list 1 provides service by user's request, user's request in the refusal list 2;
When available resources reached preset standard, equipment provided service for user in the list 1 of current active by its demand, and this moment, these users' user experience maintained on the higher level, and for user in the list 2, equipment feedback refusing user's inserts information requested;
Step 207: whether the user is arranged in the list 2;
When available resources did not reach preset standard, equipment can't satisfy the specific QoS demand of user in the list 1, and check whether the user is arranged in the list 2 this moment, when in the list 2 user being arranged, carry out step 208; When not having the user in the list 2, carry out step 209;
Step 208: insert user in the list 2, for it provides high-caliber as far as possible service;
When in the list 2 user being arranged, equipment inserts the user, and provides high-caliber as far as possible service in conjunction with user's request for it;
Step 209: for user in the list 1 provides high-caliber as far as possible service;
This moment, available resources were not enough to satisfy all user's requests, and equipment provides high-caliber as far as possible service for user in the list 1 of activity;
Step 210: utilize cognitive techniques to detect current available resource;
After equipment inserts list 2 interior users, change has taken place in environmental information, promptly the resource that takies before this user no longer is unavailable resource for equipment, need detect and upgrade current available resources again, and equipment provides service according to the available resources after upgrading for user in the list 1.
Claims (5)
1. interference solution of indoor covering equipment based on cognitive techniques is characterized in that:
Set the service-user list of indoor coverage equipment;
Device power work, detecting on Random Access Channel has the no user request;
Equipment Inspection when the user is not in the service-user list, does not temporarily respond this user's request after have the user to insert request, and it is listed in wouldn't list response;
Equipment Inspection is after have the user to insert request, when the user is in the service-user list, the first step, at once respond the user and ask to insert the user, second step, equipment passes through cognitive techniques, periodically detect the available resources that obtain under the current environment, available resources are compared with the customer service request resource, analyze current available resource and whether reach preset standard, the 3rd step, when Equipment Inspection to available resources when reaching preset standard, for user in the service-user list provides service, simultaneously refusal wouldn't list response in the user, when Equipment Inspection to available resources when not reaching preset standard, whether equipment is checked wouldn't have the user in the list response, if insert the user when wouldn't list response the user being arranged, utilize cognitive techniques to detect and the renewal available resources, on the available resources after renewal for user and access in the service-user list wouldn't list response in the user high-caliber as far as possible service is provided, if when not having the user in wouldn't list response, equipment provides high-caliber as far as possible service for user in the service-user list.
2. interference solution of indoor covering equipment according to claim 1 is characterized in that, is applicable to TDD system and FDD system.
3. interference solution of indoor covering equipment according to claim 1 is characterized in that, the user can be set at some particular numbers or arbitrary numbers in the service-user list.
4. interference solution of indoor covering equipment according to claim 1 is characterized in that, available resources do not reach preset standard and are meant the specific QoS demand that can not satisfy user in the service-user list.
5. interference solution of indoor covering equipment according to claim 1 is characterized in that cognitive techniques can adopt the same common antenna with data communication, also can adopt other stand-alone antenna.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101011664A CN101790176B (en) | 2010-01-26 | 2010-01-26 | Interference solution of indoor covering equipment based on cognitive technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101011664A CN101790176B (en) | 2010-01-26 | 2010-01-26 | Interference solution of indoor covering equipment based on cognitive technique |
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| CN101790176A true CN101790176A (en) | 2010-07-28 |
| CN101790176B CN101790176B (en) | 2011-12-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601585A (en) * | 2015-01-29 | 2015-05-06 | 武汉理工大学 | Multimedia cloud data center energy efficient resource allocation method based on user experiences |
| WO2015103818A1 (en) * | 2014-01-10 | 2015-07-16 | 中兴通讯股份有限公司 | Method and device for managing access of communication terminals to wireless access point and wireless access terminal |
| WO2019242675A1 (en) * | 2018-06-21 | 2019-12-26 | 维沃移动通信有限公司 | Access method and device |
-
2010
- 2010-01-26 CN CN2010101011664A patent/CN101790176B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015103818A1 (en) * | 2014-01-10 | 2015-07-16 | 中兴通讯股份有限公司 | Method and device for managing access of communication terminals to wireless access point and wireless access terminal |
| CN104601585A (en) * | 2015-01-29 | 2015-05-06 | 武汉理工大学 | Multimedia cloud data center energy efficient resource allocation method based on user experiences |
| CN104601585B (en) * | 2015-01-29 | 2018-12-14 | 武汉理工大学 | Multimedia cloud data center high energy efficiency resource allocation methods based on user experience |
| WO2019242675A1 (en) * | 2018-06-21 | 2019-12-26 | 维沃移动通信有限公司 | Access method and device |
| US11490325B2 (en) | 2018-06-21 | 2022-11-01 | Vivo Mobile Communication Co., Ltd. | Access method and device |
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| CN101790176B (en) | 2011-12-14 |
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Owner name: SHENZHEN TINNO WIRELESS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING POSTAL AND TELECOMMUNICATIONS UNIV. Effective date: 20150630 |
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Effective date of registration: 20150630 Address after: 518053 Guangdong city of Shenzhen province Nanshan District overseas Chinese town in Eastern Industrial Zone H3 building 501B Patentee after: Shenzhen Tinno Wireless Technology Co., Ltd. Address before: 100876 Beijing city Haidian District Xitucheng Road No. 10 Patentee before: Beijing University of Posts and Telecommunications |
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